/* ===========================================================================
   Sola-Lite Skylights — brochure site styles
   Brand: deep sky blue + sun gold, daylight-bright, lots of white space.
   No build step, no framework. Edit freely.
   ======================================================================== */
:root{
  --blue:#1c5fa8;          /* Sola-Lite blue */
  --blue-dark:#0e3a63;
  --blue-ink:#0b2a47;      /* headings */
  --gold:#f4a81d;          /* sun gold */
  --gold-deep:#dd8b00;
  --sky:#eaf3fb;           /* light tint */
  --sky-2:#d8e9f8;
  --paper:#ffffff;
  --ink:#243244;           /* body text */
  --muted:#5b6b7d;
  --line:#e2e8f0;
  --ok:#1f9d6b;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 10px 30px rgba(14,58,99,.10);
  --shadow-lg:0 24px 60px rgba(14,58,99,.16);
  --container:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:"Poppins",var(--font);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);
  font-size:clamp(16px,1.05vw,17.5px);line-height:1.65;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-dark)}
h1,h2,h3,h4{font-family:var(--display);color:var(--blue-ink);line-height:1.12;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);letter-spacing:-.5px}
h2{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.3px}
h3{font-size:1.22rem}
p{margin:0 0 1rem}
.container{width:min(100% - 2.4rem,var(--container));margin-inline:auto}
.section{padding:clamp(3rem,7vw,6rem) 0}
.section--tint{background:linear-gradient(180deg,var(--sky),#fff)}
.section--blue{background:linear-gradient(160deg,var(--blue-dark),var(--blue));color:#eaf3fb}
.section--blue h2,.section--blue h3{color:#fff}
.eyebrow{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.14em;
  font-size:.8rem;color:var(--gold-deep)}
.section--blue .eyebrow{color:var(--gold)}
.lead{font-size:1.12rem;color:var(--muted);max-width:60ch}
.center{text-align:center}.center .lead{margin-inline:auto}
.stack-sm>*+*{margin-top:.4rem}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--display);font-weight:600;
  border-radius:999px;padding:.85rem 1.5rem;border:2px solid transparent;cursor:pointer;
  transition:transform .12s ease, box-shadow .2s ease, background .2s ease;line-height:1;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn--gold{background:var(--gold);color:#3a2600;box-shadow:0 8px 20px rgba(244,168,29,.35)}
.btn--gold:hover{background:var(--gold-deep);color:#3a2600}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-dark);color:#fff}
.btn--ghost{background:transparent;border-color:#fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--blue-dark)}
.btn--outline{background:#fff;border-color:var(--blue);color:var(--blue)}
.btn--outline:hover{background:var(--blue);color:#fff}
.btn--sm{padding:.6rem 1.05rem;font-size:.92rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center}

/* ---------- header ---------- */
.topbar{background:var(--blue-ink);color:#cfe2f5;font-size:.86rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.45rem 0}
.topbar__phone{color:#fff;font-weight:600}
.topbar__phone:hover{color:var(--gold)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 0}
.brand__logo{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a{font-family:var(--display);font-weight:600;color:var(--blue-ink);font-size:.98rem}
.nav a:not(.btn):hover{color:var(--blue)}
.nav a.active:not(.btn){color:var(--blue);border-bottom:2px solid var(--gold);padding-bottom:2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:.4rem;cursor:pointer}
.nav-toggle span{width:26px;height:3px;background:var(--blue-ink);border-radius:2px;transition:.25s}

/* ---------- hero ---------- */
.hero{position:relative;background:
   radial-gradient(900px 420px at 88% -10%,rgba(244,168,29,.18),transparent 60%),
   linear-gradient(180deg,var(--sky),#fff)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;padding:clamp(2.5rem,6vw,5rem) 0}
.hero h1 span{color:var(--blue)}
.hero .lead{font-size:1.2rem;margin-bottom:1.6rem}
.hero__media{position:relative}
.hero__media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;
  aspect-ratio:4/3;object-fit:cover}
.hero__badge{position:absolute;left:-14px;bottom:18px;background:#fff;border-radius:14px;
  box-shadow:var(--shadow);padding:.7rem 1rem;display:flex;align-items:center;gap:.6rem;font-weight:600;
  font-family:var(--display);color:var(--blue-ink);font-size:.9rem}
.hero__badge b{color:var(--gold-deep);font-size:1.4rem;line-height:1}
.trust-inline{display:flex;flex-wrap:wrap;gap:1rem 1.6rem;margin-top:1.6rem;color:var(--muted);font-size:.95rem}
.trust-inline span{display:flex;align-items:center;gap:.45rem;font-weight:600;color:var(--blue-ink)}
.trust-inline .dot{color:var(--ok)}

/* ---------- path cards (residential / commercial) ---------- */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.path{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:300px;
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow)}
.path img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.path::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,42,71,.05),rgba(11,42,71,.82))}
.path__body{position:relative;z-index:2;padding:1.6rem 1.6rem 1.8rem}
.path__body h3{color:#fff;font-size:1.5rem;margin-bottom:.25rem}
.path__body p{color:#dbe8f6;margin-bottom:1rem}
.path__link{font-family:var(--display);font-weight:700;color:#fff;display:inline-flex;gap:.4rem}
.path:hover .path__link{color:var(--gold)}

/* ---------- feature grid ---------- */
.grid{display:grid;gap:1.2rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;
  box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--sky);color:var(--blue);margin-bottom:.9rem;font-size:1.4rem}
.card h3{margin-bottom:.35rem}
.card p{color:var(--muted);margin:0}

/* ---------- product rows (residential/commercial detail) ---------- */
.prow{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.2rem,3vw,2.6rem);align-items:center}
.prow+.prow{margin-top:clamp(2rem,5vw,3.5rem)}
.prow img{border-radius:var(--radius-lg);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%}
.prow--flip .prow__media{order:2}
.checklist{list-style:none;padding:0;margin:.5rem 0 1.2rem}
.checklist li{position:relative;padding-left:1.8rem;margin-bottom:.5rem}
.checklist li::before{content:"☀";position:absolute;left:0;top:0;color:var(--gold-deep)}

/* ---------- brand strip ---------- */
.brands{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:clamp(1.2rem,4vw,3rem)}
.brands img{height:38px;width:auto;opacity:.8;filter:grayscale(.2)}
.brands .chip{font-family:var(--display);font-weight:700;color:var(--blue-ink);font-size:1.15rem;
  letter-spacing:.02em;border:2px solid var(--line);border-radius:10px;padding:.4rem .9rem}

/* ---------- steps ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.step{position:relative;padding-top:.5rem}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;
  width:44px;height:44px;border-radius:50%;background:var(--gold);color:#3a2600;font-weight:800;
  font-family:var(--display);margin-bottom:.7rem}
.step h3{font-size:1.05rem}.step p{color:var(--muted);margin:0;font-size:.96rem}

/* ---------- CTA band ---------- */
.cta{background:linear-gradient(160deg,var(--blue-dark),var(--blue));color:#fff;border-radius:var(--radius-lg);
  padding:clamp(2rem,5vw,3.2rem);text-align:center;box-shadow:var(--shadow-lg)}
.cta h2{color:#fff}.cta p{color:#cfe2f5;max-width:48ch;margin-inline:auto}

/* ---------- forms ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:1rem;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:1.6rem;box-shadow:var(--shadow)}
.form .full{grid-column:1/-1}
.form label{font-weight:600;font-family:var(--display);font-size:.92rem;color:var(--blue-ink);
  display:block;margin-bottom:.3rem}
.form input,.form select,.form textarea{width:100%;padding:.75rem .85rem;border:1px solid var(--line);
  border-radius:10px;font:inherit;color:var(--ink);background:#fcfeff}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid rgba(28,95,168,.18);border-color:var(--blue)}
.form textarea{min-height:120px;resize:vertical}
.req{color:var(--gold-deep)}

/* ---------- footer ---------- */
.site-footer{background:var(--blue-ink);color:#bcd2e8;font-size:.95rem}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:2rem;
  padding:clamp(2.5rem,5vw,3.5rem) 0}
.footer__logo{height:42px;margin-bottom:.8rem;filter:brightness(0) invert(1)}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:.7rem}
.site-footer a{color:#bcd2e8}.site-footer a:hover{color:var(--gold)}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.45rem}
.footer__note{color:#8fb0cd;font-size:.86rem}
.footer__bar{border-top:1px solid rgba(255,255,255,.12);padding:1rem 0;color:#8fb0cd;font-size:.85rem}
.tag{display:inline-block;background:rgba(244,168,29,.16);color:var(--gold);border-radius:6px;
  padding:.1rem .5rem;font-size:.8rem;font-weight:600}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .grid--3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);flex-direction:column;align-items:flex-start;
    gap:.2rem;background:#fff;padding:5rem 1.5rem 2rem;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:transform .28s ease}
  .nav a{padding:.7rem 0;width:100%;border-bottom:1px solid var(--line)}
  .nav a.btn{margin-top:1rem;justify-content:center}
  body.nav-open .nav{transform:translateX(0)}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}
@media (max-width:760px){
  .hero__grid{grid-template-columns:1fr}
  .hero__media{order:-1}
  .paths{grid-template-columns:1fr}
  .grid--3,.grid--2{grid-template-columns:1fr}
  .prow{grid-template-columns:1fr}
  .prow--flip .prow__media{order:-1}
  .form{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .topbar__msg{display:none}
  .topbar__inner{justify-content:center}
}